Inaccurate rendering of Points far from origin
When I render a set of data points that are known to lie along a straight line, the resulting redering does not always appear as expected.
The points are distorted as the coordinates are located further from the origin.
Any ideas, in order to render a consistent straight line, no matter where the data exists?
Data Set 1 (renders points along a straight line):
14.9,0,83.7
15.9,0,83.5
16.9,0,83.2
17.8,0,83.0
18.8,0,82.8
19.8,0,82.5
...
Data Set 2 (renders a jagged, apparently quantized, inconsistent "line"):
889714.9,0,4882183.7
889715.9,0,4882183.5
889716.9,0,4882183.2
889717.8,0,4882183.0
889718.8,0,4882182.8
889719.8,0,4882182.5
...
BranchGroup objRoot = new BranchGroup();
TransformGroup contentTransform = new TransformGroup();
contentTransform.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
contentTransform.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
objRoot.addChild(contentTransform);
[...]
Vector3f translate = new Vector3f();
Transform3D sphereTrans = new Transform3D();
TransformGroup sphereTG = null;
SharedGroup share = new SharedGroup();
share.addChild(new Sphere(.01f, Sphere.GENERATE_NORMALS, appearance));
Point3d[] points = data.getPoints();
for (int i=0; i<points.length; i++)
{
translate.set(points[ i]);
sphereTrans.setTranslation(translate);
sphereTG = new TransformGroup(sphereTrans);
sphereTG.addChild(new Link(share));
contentTransform.addChild(sphereTG);
}
Thanks!>
